11012012113 has 8 divisors (see below), whose sum is σ = 11464563368. Its totient is φ = 10567615104.

The previous prime is 11012012071. The next prime is 11012012119. The reversal of 11012012113 is 31121021011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2791325889 + 8220686224 = 52833^2 + 90668^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11012012113 - 2¹³ = 11012003921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11012012093 and 11012012102.

It is not an unprimeable number, because it can be changed into a prime (11012012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035806 + ... + 2041207.

It is an arithmetic number, because the mean of its divisors is an integer number (1433070421).

Almost surely, 2^11012012113 is an apocalyptic number.

It is an amenable number.

11012012113 is a deficient number, since it is larger than the sum of its proper divisors (452551255).

11012012113 is an equidigital number, since it uses as much as digits as its factorization.

11012012113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077123.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11012012113 its reverse (31121021011), we get a palindrome (42133033124).

The spelling of 11012012113 in words is "eleven billion, twelve million, twelve thousand, one hundred thirteen".